Device for smoothing a paper web or cardboard web
CA 2127767 A1 · Owner: J. M. Voith Gmbh · Inventors: Steiner, Karl; Taglang, Roland; Loser, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for smoothing a paper or cardboard web with a smoothing zone passed by the web and which for, achieving a longer web dwell features a certain length measured in the direction of web travel. Two smoothing surfaces define the smoothing zone on both sides the one, smoothing surface being formed by the shell of a powered roll and the other by a revolving sliding belt. A sliding shoe which is wrapped by the sliding belt features a sliding surface which is complementary to the shell surface of the roll. A mechanism is provided for mutually compressing the roll and sliding shoe. The sliding shoe, viewed in the direction of web travel is, segmented.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed July 11, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 11, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 11, 2016.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.